package com.loong.system.mapper;

import com.loong.common.mybatis.mapper.Mapper;
import com.loong.system.model.SystemLetter;
import org.apache.ibatis.annotations.Param;

public interface SystemLetterMapper extends Mapper<SystemLetter> {

    /**
     * 更新站内信记录的接收时间
     * @param userId 用户id
     */
   void updateLetterReceiveTime(@Param("userId") Long userId);

}